CVE-2009-0187

Exp

Stack-based buffer overflow in Orbit Downloader 2.8.2 and 2.8.3, and possibly other versions before 2.8.5, allows remote attackers to execute arbitrary code via a crafted HTTP URL with a long host name, which is not properly handled when constructing a "Connecting" log message.

Published: 2009-02-26 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2009-0187 is rated High Exploit Risk (84.5/100): CVSS Critical severity, with high exploitation likelihood (EPSS 73.41%, 99th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2009-0187

EDB-ID Source Kind Published Link
16569 exploit_db edb 2010-05-09 Exploit-DB ↗
8118 exploit_db edb 2009-02-27 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-0187

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-10-13 75.65% 73.41% -2.24%
2 2025-06-07 78.65% 75.65% -3.00%
3 2025-05-25 78.65%

Full EPSS history (24 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-0187

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
8.6 10.0 [email protected]

Weakness enumeration for CVE-2009-0187

Affected software / configurations for CVE-2009-0187

Vendor Product Version Raw CPE
orbitdownloader orbit_downloader 2.8.2 cpe:2.3:a:orbitdownloader:orbit_downloader:2.8.2:*:*:*:*:*:*:*
orbitdownloader orbit_downloader 2.8.3 cpe:2.3:a:orbitdownloader:orbit_downloader:2.8.3:*:*:*:*:*:*:*
orbitdownloader orbit_downloader 2.8.4 cpe:2.3:a:orbitdownloader:orbit_downloader:2.8.4:*:*:*:*:*:*:*

References for CVE-2009-0187

cvelogic Threat Intelligence